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Questions in biology

[Homework Help] Which of the following is NOT a classification of epithelial tissue based on cellular arrangement? A. nonstriated B. transitional C. stratified D. simple E. pseudostratified

[Homework Help] Name three supporting tissues in plants.

[Homework Help] An ecological factor that causes food shortage is A. drought. B. humidity. C. pressure. D. topography. E. wind.

[Homework Help] Classify each of the following as a reactant or a product for photosynthesis: 1. 6 H₂O (Click to select) 2. 6 O₂ (Click to select) 3. 6 CO₂ (Click to select) 4. C₆H₁₂O₆ (Click to select)

[Homework Help] Importance of nitrates for protein synthesis

[Homework Help] Transitional epithelial tissue is formed of cells with the ability to slide over one another to allow the tissue to stretch, and the cells are flattened when stretched out and rounded when empty (like in the urinary bladder). A. True B. False

[Homework Help] What chemical reduces surface tension in the alveoli? A. Surfactant B. Bicarbonate C. Exudate D. Effusion

[Homework Help] Compare microaerophiles and aerotolerant anaerobes. A. Microaerophiles do not require oxygen but can use oxygen for aerobic respiration to produce more ATP if oxygen is present, whereas aerotolerant anaerobes require an oxygen-free environment. B. Microaerophiles require a low oxygen concentration, whereas aerotolerant anaerobes require an oxygen-free environment. C. Microaerophiles require a low oxygen concentration, whereas aerotolerant anaerobes are not affected by the presence of oxygen. D. Microaerophiles do not require oxygen but can use oxygen for aerobic respiration to produce more ATP if oxygen is present, whereas aerotolerant anaerobes are not affected by the presence of oxygen.

[Homework Help] Differentiate between alveoli and nephron on the basis of the following points: S. No. 1 2 Feature Structure and location Function Alveoli Nephron

[Homework Help] 12) The procedure during which cells can take up DNA from the surrounding environment is called A) Electroporation B) Protoplast fusion C) Transformation D) Microinjection 13) What do humans use to obtain desirable breeds of animals or strains of plants to cultivate? A) Natural selection B) Artificial selection C) Restriction enzymes D) PCR 14) Which of the following techniques is used to locate a gene within a cell? A) Cloning B) Southern blot C) Transduction D) Transformation